saio.h revision 1.1
1 /* $NetBSD: saio.h,v 1.1 2001/06/14 12:57:15 fredette Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gordon W. Ross. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * This file derived from kernel/mach/sun3.md/machMon.h from the 41 * sprite distribution. 42 * 43 * In particular, this file came out of the Walnut Creek cdrom collection 44 * which contained no warnings about any possible copyright infringement. 45 */ 46 47 /* 48 * machMon.h -- 49 * 50 * Structures, constants and defines for access to the sun monitor. 51 * These were translated from the sun monitor header files: 52 * mon/sunromvec.h 53 * stand/saio.h 54 * 55 * Copyright (C) 1985 Regents of the University of California 56 * All rights reserved. 57 * 58 * Header: /sprite/src/boot/sunprom/sun3.md/RCS/machMon.h,v \ 59 * 1.1 90/09/17 10:57:28 rab Exp Locker: rab $ SPRITE (Berkeley) 60 */ 61 62 /* 63 * The table entry that describes a device. It exists in the PROM; a 64 * pointer to it is passed in MachMonBootParam. It can be used to locate 65 * PROM subroutines for opening, reading, and writing the device. 66 * 67 * When using this interface, only one device can be open at once. 68 */ 69 struct boottab { 70 char b_dev[2]; /* The name of the device */ 71 int (*b_probe)(); /* probe() --> -1 or found controller 72 number */ 73 int (*b_boot)(); /* boot(bp) --> -1 or start address */ 74 int (*b_open)(); /* open(iobp) --> -1 or 0 */ 75 int (*b_close)(); /* close(iobp) --> -1 or 0 */ 76 int (*b_strategy)(); /* strategy(iobp,rw) --> -1 or 0 */ 77 char *b_desc; /* Printable string describing dev */ 78 struct devinfo *b_devinfo; /* Information to configure device */ 79 } __attribute__((packed)); 80 81 /* 82 * This table gives information about the resources needed by a device. 83 */ 84 struct devinfo { 85 unsigned int d_devbytes; /* Bytes occupied by device in IO space. */ 86 unsigned int d_dmabytes; /* Bytes needed by device in DMA memory. */ 87 unsigned int d_localbytes; /* Bytes needed by device for local info. */ 88 unsigned int d_stdcount; /* How many standard addresses. */ 89 unsigned long *d_stdaddrs; /* The vector of standard addresses. */ 90 unsigned int d_devtype; /* What map space device is in. */ 91 unsigned int d_maxiobytes; /* Size to break big I/O's into. */ 92 }; 93 94 /* 95 * These are the "page map entry types" specified in the 96 * d_devtype field of struct devinfo. 97 */ 98 #define MAP_MAINMEM 0 99 #define MAP_OBIO 1 100 #define MAP_MBMEM 2 101 #define MAP_MBIO 3 102 #define MAP_VME16A16D 4 103 #define MAP_VME16A32D 5 104 #define MAP_VME24A16D 6 105 #define MAP_VME24A32D 7 106 #define MAP_VME32A16D 8 107 #define MAP_VME32A32D 9 108 #define MAP__NTYPES 10 109 110 /* 111 * A "stand alone I/O request", (from SunOS saio.h) 112 * This is passed as the main argument to the PROM I/O routines 113 * in the MachMonBootDevice structure. 114 */ 115 struct saioreq { 116 char si_flgs; 117 char si_pad1; 118 struct boottab *si_boottab; /* Points to boottab entry if any */ 119 char *si_devdata; /* Device-specific data pointer */ 120 int si_ctlr; /* Controller number or address */ 121 int si_unit; /* Unit number within controller */ 122 long si_boff; /* Partition number within unit */ 123 long si_cyloff; 124 long si_offset; 125 long si_bn; /* Block number to R/W */ 126 char *si_ma; /* Memory address to R/W */ 127 int si_cc; /* Character count to R/W */ 128 struct saif *si_sif; /* net if. pointer (set by b_open) */ 129 char *si_devaddr; /* Points to mapped in device */ 130 char *si_dmaaddr; /* Points to allocated DMA space */ 131 } __attribute__((packed)); 132 133 #define SAIO_F_READ 0x01 134 #define SAIO_F_WRITE 0x02 135 #define SAIO_F_ALLOC 0x04 136 #define SAIO_F_FILE 0x08 137 #define SAIO_F_EOF 0x10 /* EOF on device */ 138 #define SAIO_F_AJAR 0x20 /* Descriptor "ajar" (stopped but not closed) */ 139 140 /* 141 * Ethernet interface descriptor (from SunOS saio.h) 142 * First, set: saiop->si_devaddr, saiop->si_dmaaddr, etc. 143 * Then: saiop->si_boottab->b_open() will set: 144 * saiop->si_sif; 145 * saiop->si_devdata; 146 * The latter is the first arg to the following functions. 147 * Note that the buffer must be in DVMA space... 148 */ 149 struct saif { 150 /* Transmit packet, returns zero on success. */ 151 int (*sif_xmit)(void *devdata, char *buf, int len); 152 /* Receive packet, return zero if none arrived. */ 153 int (*sif_poll)(void *devdata, char *buf); 154 /* Reset interface, set addresses, etc. */ 155 int (*sif_reset)(void *devdata, struct saioreq *sip); 156 /* 157 * Later proms have more stuff here, but what versions? 158 * It appears that all V3.X PROMs support this... 159 */ 160 /* Copy our ethernet address to the passed array. */ 161 int (*sif_macaddr)(char *ea); 162 }; 163 164 #ifdef _STANDALONE 165 /* libsa:promdev.c */ 166 int prom_iopen (struct saioreq *sip); 167 void prom_iclose(struct saioreq *sip); 168 #endif /* _STANDALONE */ 169
Indexes created Wed Oct 01 07:09:59 GMT 2025